Full Face Snorkel Mask 180 Wide View Easy Breathe GoPro Compatible with Anti-Fog and Anti-Leak Design (Large/Extra Large): ANTI-LEAK & ANTI-FOG DESIGN: Long snorkel top and designed with a floating ball can prevent salt water from getting into your mouth. It designed separate breathing chamber that creates an airflow away from your main viewing visor that helps eliminates fogging 180° PANORAMIC WIDE VIEW: 180 degrees wide viewing window design for good vision, give you a natural, magical and wonderful viewing experience while underwater. One-way drain valve design makes easier to breathe comfortably through your mouth or nose while you are snorkeling ACTION CAMERA MOUNT: You also can mount a GoPro camera on snorkel mask and capture all the amazing things when you are snorkeling. The mask can mount action camera and compatible with GoPro. ADJUSTABLE ELASTIC STRAPS: Thick, soft elastic strap can adjust size easily and comfortable with your face. The widen chin part design fits different facial types. HIGH QUALITY MATERIALS: Made of high-grade premium silicon without skin irritation, which is Eco-friendly and non-toxic odor.